Read e-book online Attention and Arousal: Cognition and Performance PDF

By Michael Eysenck

ISBN-10: 3642683908

ISBN-13: 9783642683909

ISBN-10: 3642683924

ISBN-13: 9783642683923

The philosopher who has a mortal worry of being unsuitable will provide all that's priceless in himself to that little ambition. Walter Lippmann (1914) Psychology has continually been laid low with passing fads and fan­ cies to a better quantity than is seemly in a systematic self-discipline. during the last few years the Zeitgeist will be summed up via the 2 phrases 'cognitive psychology'. certainly, a up to date ballot of educational psychologists in American indicated that over eighty% of them appeared themselves as cognitive psychologists! Cognitive psychology is within the ascendant, however it hasn't ever been transparent to me that it has addressed the entire applicable is­ sues. particularly, details processing within the genuine international (and even within the laboratory) happens inside of a motivational and emotional context, yet cognitive psychologists frequently major­ tain the handy fiction that cognition can fruitfully be stud­ ied in isolation. the most reason behind penning this booklet was once to at­ tempt to illustrate that there could be a precious cross-fertiliza­ tion among cognitive and motivational-emotional psycholo­ gy and that there are already tantalizing glimpses of the poten­ tial benefits of such inter-disciplinary study. the information of Donald Broadbent and his affiliates have exer­ cised a formative impact throughout the writing of this publication. they found a few years in the past that there are interesting simi­ larities (as good as modifications) within the results on functionality of such it appears fairly disparate components as white noise, time of day, introversion-extraversion and incentive.

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Extra resources for Attention and Arousal: Cognition and Performance

Sample text

_.. . POSITIVE TRIALS NEGATIVE TRIALS POSITIVE TRIALS 15 30 DISPLAY SIZE single·feature) and display size. (Treisman and Gelade 1980) 26 Theories of Attention ever, the existence of a substantial effect of display size on speed of responding on negative trials suggests that there is some serial searching of the display if no target is present. Shiffrin and Schneider (1977) have stressed the role played by practice in producing the switch from attentionally demanding to automatic processing. In contrast, Treisman and Gelade found that fairly prolonged practice with the target defined by a combination of features did not produce evidence for automatic processing in the form of parallel search.

1. Error rate on a addition task as a function of the order in which the answer is given. (Hitch 1978) Baddeley and Hitch: Working Memory aids varying between the entire problem and nothing. The error rate increased from only 3 % with complete visual information to 22 % with no visual information. It may well be that the initial information and the results of interim calculations are both held in the articulatory loop, where they are subject to some form of decay. Complete visual information greatly eases the storage problem in the articulatory loop.

They showed convincingly that extended practice under conditions in which any given stimulus is always associated with the same response can lead to automaticity. e. they did not specify the nature of the information which comes to be processed automatically as a result of practice. This issue is of central interest to the theory of attention recently put forward by Treisman and Gelade (1980), which is dicussed later in this chapter. There are some problems with the method by which Shiffrin and Schneider decided whether processing was automatic or controlled.

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Attention and Arousal: Cognition and Performance by Michael Eysenck

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